Ozone Layer Depletion Has Been Halted

An image of the ozone hole above Antarctica in 2010, as recorded by NASA's daily Ozone Hole Watch survey. Credit: NASA/Ozone Hole Watch

From Cosmos:

GENEVA: The protective ozone layer in the Earth's upper atmosphere has stopped thinning and should largely be restored by mid century thanks to a ban on harmful chemicals, U.N. scientists said.

The "Scientific Assessment of Ozone Depletion 2010" report said a 1987 international treaty that phased out chlorofluorocarbons (CFC) - substances used in refrigerators, aerosol sprays and some packing foams - had been successful.

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